Receive the latest celebrity updates in your inbox

In a wide-ranging interview for Vogue’s January issue, Portman said in real life she’s nothing like Nina, the troubled, bone-thin ballerina she plays in “Black Swan.”

Year in Review 2010: Hollywood's Winners & Losers

“I consume my own weight in hummus every day,” the Israeli-American actress told the fashion mag. “I cook a lot, and I even do vegan baking.”

But Portman, 29, revealed she did experience mental health issues while a Harvard college student.

Top Entertainment Photos

“I gained my freshman fifteen or 20 and had superdepressed moments,” Portman told Vogue. “That Cambridge winter is tough. It was important to know how to go through that and how to get myself out of it.”

That involved learning how to ask her friends, professionals or mentors for help, Portman said.

Year in Review 2010: "I Thought It Was Gum" & Other Notable Quotables

Portman, who scored a best actress Golden Globe nomination Tuesday for “Black Swan,” told Vogue she’s also interested in tapping into her vulgar side.

The actress has teamed up with a partner to start a production company, Handsomecharliefilms, that plans to develop raunchy “girl comedies” in the vein of a Judd Apatow film or “The Hangover,” she told Vogue.

“There’s a difference between being in a bra and underpants as an object on a men’s-magazine cover and playing yourself—a woman with desires and needs who loves and laughs with her friends—in a bra and underpants,” Portman explains. “You become an object if you simply put it out there. Most movies are made by men, it’s totally natural that they’re going to present their worldview, so we’re trying to find more women who are writers and directors who are expressing their worldview.”